LXT971A 3.3V Dual-Speed Fast Ethernet Transceiver
Table 45. PHY Identification Register 1 (Address 2)
Bit
Name
Description
Type 1
Default
The PHY identifier composed of bits 3 through 18 of
the OUI.
2.15:0
PHY ID Number
RO
0013 hex
1. RO = Read Only
Table 46. PHY Identification Register 2 (Address 3)
Bit
Name
Description
Type 1
Default
The PHY identifier composed of bits 19
through 24 of the OUI.
3.15:10 PHY ID number
RO
RO
011110
Manufacturer’s
3.9:4
6 bits containing manufacturer’s part number.
001110
model number
xxxx
(See the
Manufacturer’s
3.3:0
4 bits containing manufacturer’s revision
number.
RO
LXT971A/972A
Specification
Update)
revision number
1. RO = Read Only
Figure 42. PHY Identifier Bit Mapping
a
b
c
Organizationally Unique Identifier
r
s
x
PHY ID Register #2 (Address 3)
PHY ID Register #1 (address 2) = 0013
15
0
0
1
15
0
10
0
9
0
4
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
1
1
1
0
1
1
1
0 0
00
20
7B
5
0
3
0
The Intel OUI is 00207B hex
Manufacturer’s
Model Number
Revision
Number
76
Datasheet
Document #: 249414
Revision #: 002
Rev. Date: August 7, 2002
INTEL [ INTEL ]
